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<a href="detail_2native__socket__stream__impl_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno">    1</span><span class="comment">/* Flow-IPC: Core</span></div>
<div class="line"><a id="l00002" name="l00002"></a><span class="lineno">    2</span><span class="comment"> * Copyright 2023 Akamai Technologies, Inc.</span></div>
<div class="line"><a id="l00003" name="l00003"></a><span class="lineno">    3</span><span class="comment"> *</span></div>
<div class="line"><a id="l00004" name="l00004"></a><span class="lineno">    4</span><span class="comment"> * Licensed under the Apache License, Version 2.0 (the</span></div>
<div class="line"><a id="l00005" name="l00005"></a><span class="lineno">    5</span><span class="comment"> * &quot;License&quot;); you may not use this file except in</span></div>
<div class="line"><a id="l00006" name="l00006"></a><span class="lineno">    6</span><span class="comment"> * compliance with the License.  You may obtain a copy</span></div>
<div class="line"><a id="l00007" name="l00007"></a><span class="lineno">    7</span><span class="comment"> * of the License at</span></div>
<div class="line"><a id="l00008" name="l00008"></a><span class="lineno">    8</span><span class="comment"> *</span></div>
<div class="line"><a id="l00009" name="l00009"></a><span class="lineno">    9</span><span class="comment"> *   https://www.apache.org/licenses/LICENSE-2.0</span></div>
<div class="line"><a id="l00010" name="l00010"></a><span class="lineno">   10</span><span class="comment"> *</span></div>
<div class="line"><a id="l00011" name="l00011"></a><span class="lineno">   11</span><span class="comment"> * Unless required by applicable law or agreed to in</span></div>
<div class="line"><a id="l00012" name="l00012"></a><span class="lineno">   12</span><span class="comment"> * writing, software distributed under the License is</span></div>
<div class="line"><a id="l00013" name="l00013"></a><span class="lineno">   13</span><span class="comment"> * distributed on an &quot;AS IS&quot; BASIS, WITHOUT WARRANTIES OR</span></div>
<div class="line"><a id="l00014" name="l00014"></a><span class="lineno">   14</span><span class="comment"> * CONDITIONS OF ANY KIND, either express or implied.</span></div>
<div class="line"><a id="l00015" name="l00015"></a><span class="lineno">   15</span><span class="comment"> * See the License for the specific language governing</span></div>
<div class="line"><a id="l00016" name="l00016"></a><span class="lineno">   16</span><span class="comment"> * permissions and limitations under the License. */</span></div>
<div class="line"><a id="l00017" name="l00017"></a><span class="lineno">   17</span><span class="comment"></span> </div>
<div class="line"><a id="l00018" name="l00018"></a><span class="lineno">   18</span><span class="comment">/// @file</span></div>
<div class="line"><a id="l00019" name="l00019"></a><span class="lineno">   19</span><span class="comment"></span><span class="preprocessor">#pragma once</span></div>
<div class="line"><a id="l00020" name="l00020"></a><span class="lineno">   20</span> </div>
<div class="line"><a id="l00021" name="l00021"></a><span class="lineno">   21</span><span class="preprocessor">#include &quot;<a class="code" href="native__socket__stream_8hpp.html">ipc/transport/native_socket_stream.hpp</a>&quot;</span></div>
<div class="line"><a id="l00022" name="l00022"></a><span class="lineno">   22</span><span class="preprocessor">#include &quot;<a class="code" href="sync__io_2native__socket__stream_8hpp.html">ipc/transport/sync_io/native_socket_stream.hpp</a>&quot;</span></div>
<div class="line"><a id="l00023" name="l00023"></a><span class="lineno">   23</span><span class="preprocessor">#include &quot;<a class="code" href="async__adapter__snd_8hpp.html">ipc/transport/sync_io/detail/async_adapter_snd.hpp</a>&quot;</span></div>
<div class="line"><a id="l00024" name="l00024"></a><span class="lineno">   24</span><span class="preprocessor">#include &quot;<a class="code" href="async__adapter__rcv_8hpp.html">ipc/transport/sync_io/detail/async_adapter_rcv.hpp</a>&quot;</span></div>
<div class="line"><a id="l00025" name="l00025"></a><span class="lineno">   25</span><span class="preprocessor">#include &quot;<a class="code" href="asio__local__stream__socket__fwd_8hpp.html">ipc/transport/asio_local_stream_socket_fwd.hpp</a>&quot;</span></div>
<div class="line"><a id="l00026" name="l00026"></a><span class="lineno">   26</span><span class="preprocessor">#include &lt;cstddef&gt;</span></div>
<div class="line"><a id="l00027" name="l00027"></a><span class="lineno">   27</span><span class="preprocessor">#include &lt;flow/async/single_thread_task_loop.hpp&gt;</span></div>
<div class="line"><a id="l00028" name="l00028"></a><span class="lineno">   28</span> </div>
<div class="line"><a id="l00029" name="l00029"></a><span class="lineno">   29</span><span class="keyword">namespace </span><a class="code hl_namespace" href="namespaceipc_1_1transport.html">ipc::transport</a></div>
<div class="line"><a id="l00030" name="l00030"></a><span class="lineno">   30</span>{</div>
<div class="line"><a id="l00031" name="l00031"></a><span class="lineno">   31</span> </div>
<div class="line"><a id="l00032" name="l00032"></a><span class="lineno">   32</span><span class="comment">// Types.</span></div>
<div class="line"><a id="l00033" name="l00033"></a><span class="lineno">   33</span><span class="comment"></span> </div>
<div class="line"><a id="l00034" name="l00034"></a><span class="lineno">   34</span><span class="comment">/**</span></div>
<div class="line"><a id="l00035" name="l00035"></a><span class="lineno">   35</span><span class="comment"> * Internal, non-movable pImpl implementation of Native_socket_stream class.</span></div>
<div class="line"><a id="l00036" name="l00036"></a><span class="lineno">   36</span><span class="comment"> * In and of itself it would have been directly and publicly usable; however Native_socket_stream adds move semantics</span></div>
<div class="line"><a id="l00037" name="l00037"></a><span class="lineno">   37</span><span class="comment"> * which are essential to cooperation with Native_socket_stream_acceptor and overall consistency with the rest</span></div>
<div class="line"><a id="l00038" name="l00038"></a><span class="lineno">   38</span><span class="comment"> * of ipc::transport API and, arguably, boost.asio API design.</span></div>
<div class="line"><a id="l00039" name="l00039"></a><span class="lineno">   39</span><span class="comment"> *</span></div>
<div class="line"><a id="l00040" name="l00040"></a><span class="lineno">   40</span><span class="comment"> * @see All discussion of the public API is in Native_socket_stream doc header; that class forwards to this one.</span></div>
<div class="line"><a id="l00041" name="l00041"></a><span class="lineno">   41</span><span class="comment"> *      All discussion of pImpl-related notions is also there.  See that doc header first please.  Then come back here.</span></div>
<div class="line"><a id="l00042" name="l00042"></a><span class="lineno">   42</span><span class="comment"> *</span></div>
<div class="line"><a id="l00043" name="l00043"></a><span class="lineno">   43</span><span class="comment"> * Impl design</span></div>
<div class="line"><a id="l00044" name="l00044"></a><span class="lineno">   44</span><span class="comment"> * -----------</span></div>
<div class="line"><a id="l00045" name="l00045"></a><span class="lineno">   45</span><span class="comment"> * ### Intro / history ###</span></div>
<div class="line"><a id="l00046" name="l00046"></a><span class="lineno">   46</span><span class="comment"> * Native_socket_stream::Impl is, one could argue, the core class of this entire library, Flow-IPC.</span></div>
<div class="line"><a id="l00047" name="l00047"></a><span class="lineno">   47</span><span class="comment"> * Beyond that, even the closest alternatives (which, in the first place, cannot do some of what it can -- namely the</span></div>
<div class="line"><a id="l00048" name="l00048"></a><span class="lineno">   48</span><span class="comment"> * `Blob_stream_mq_*` guys cannot transmit native handles) tend to use many of the same techniques.</span></div>
<div class="line"><a id="l00049" name="l00049"></a><span class="lineno">   49</span><span class="comment"> * So, like, this impl design is important -- for performance on behalf of the ipc::transport use and ipc::session</span></div>
<div class="line"><a id="l00050" name="l00050"></a><span class="lineno">   50</span><span class="comment"> * internals (which bases its session master channel on a single-`Native_socket_stream` Channel); and as</span></div>
<div class="line"><a id="l00051" name="l00051"></a><span class="lineno">   51</span><span class="comment"> * a conceptual template for how various other things are implemented (at least in part).</span></div>
<div class="line"><a id="l00052" name="l00052"></a><span class="lineno">   52</span><span class="comment"> *</span></div>
<div class="line"><a id="l00053" name="l00053"></a><span class="lineno">   53</span><span class="comment"> * Truthfully, in some cases historically speaking I (ygoldfel) tweaked aspects of the concept APIs it</span></div>
<div class="line"><a id="l00054" name="l00054"></a><span class="lineno">   54</span><span class="comment"> * implements (Native_handle_sender, Native_handle_receiver, Blob_sender, Blob_receiver) based on lessons</span></div>
<div class="line"><a id="l00055" name="l00055"></a><span class="lineno">   55</span><span class="comment"> * learned in writing this impl.  (Yes, it &quot;should&quot; be the other way around -- concept should be maximally</span></div>
<div class="line"><a id="l00056" name="l00056"></a><span class="lineno">   56</span><span class="comment"> * useful, impl should fulfill it, period -- but I am just being real.)</span></div>
<div class="line"><a id="l00057" name="l00057"></a><span class="lineno">   57</span><span class="comment"> *</span></div>
<div class="line"><a id="l00058" name="l00058"></a><span class="lineno">   58</span><span class="comment"> * That said: at some point during the initial development of Flow-IPC, the `sync_io` pattern emerged as a</span></div>
<div class="line"><a id="l00059" name="l00059"></a><span class="lineno">   59</span><span class="comment"> * necessary alternative API -- alternative to the async-I/O pattern of `*_sender` and `*_receiver` concepts.</span></div>
<div class="line"><a id="l00060" name="l00060"></a><span class="lineno">   60</span><span class="comment"> * (See util::sync_io doc header.  It describes the pattern and the rationale for it.)  It was of course possible,</span></div>
<div class="line"><a id="l00061" name="l00061"></a><span class="lineno">   61</span><span class="comment"> * at that point, to have the 2 be decoupled: Native_socket_stream (async-I/O pattern) is implemented like so,</span></div>
<div class="line"><a id="l00062" name="l00062"></a><span class="lineno">   62</span><span class="comment"> * and sync_io::Native_socket_stream (`sync_io` pattern) is implemented separate like *so*.  Historically speaking,</span></div>
<div class="line"><a id="l00063" name="l00063"></a><span class="lineno">   63</span><span class="comment"> * Native_socket_stream was already written and working great, with a stable API and insides;</span></div>
<div class="line"><a id="l00064" name="l00064"></a><span class="lineno">   64</span><span class="comment"> * but sync_io::Native_socket_stream didn&#39;t exist and needed to be written -- in fact, the 1st `sync_io` guy to</span></div>
<div class="line"><a id="l00065" name="l00065"></a><span class="lineno">   65</span><span class="comment"> * be written.</span></div>
<div class="line"><a id="l00066" name="l00066"></a><span class="lineno">   66</span><span class="comment"> *</span></div>
<div class="line"><a id="l00067" name="l00067"></a><span class="lineno">   67</span><span class="comment"> * Naturally I scrapped the idea of simply writing the new guy from scratch and leaving existing guy as-is.</span></div>
<div class="line"><a id="l00068" name="l00068"></a><span class="lineno">   68</span><span class="comment"> * Instead I moved the relevant aspects of the old guy into the new guy, and (re)wrote the formerly-old guy</span></div>
<div class="line"><a id="l00069" name="l00069"></a><span class="lineno">   69</span><span class="comment"> * (that&#39;s the present class Native_socket_stream::Impl) *in terms of* the new guy.  (I then repeated this for</span></div>
<div class="line"><a id="l00070" name="l00070"></a><span class="lineno">   70</span><span class="comment"> * its peers Blob_stream_mq_sender -- which is like `*this` but for blobs-only and outgoing-only -- and</span></div>
<div class="line"><a id="l00071" name="l00071"></a><span class="lineno">   71</span><span class="comment"> * Blob_stream_mq_receiver, which is (same) but incoming-only.)  Any other approach would have resulted in 2x</span></div>
<div class="line"><a id="l00072" name="l00072"></a><span class="lineno">   72</span><span class="comment"> * the code and 2x the bug potential and maintenance going forward.  (Plus it allowed for the nifty</span></div>
<div class="line"><a id="l00073" name="l00073"></a><span class="lineno">   73</span><span class="comment"> * concept of being able to construct a Native_socket_stream from a sync_io::Native_socket_stream &quot;core&quot;;</span></div>
<div class="line"><a id="l00074" name="l00074"></a><span class="lineno">   74</span><span class="comment"> * this was immediately standardized to all the relevant concepts.) Note -- however -- that as Native_socket_stream</span></div>
<div class="line"><a id="l00075" name="l00075"></a><span class="lineno">   75</span><span class="comment"> * underwent this bifurcation into Native_socket_stream and sync_io::Native_socket_stream, its API did not change</span></div>
<div class="line"><a id="l00076" name="l00076"></a><span class="lineno">   76</span><span class="comment"> * *at all* (modulo the addition of the `sync_io`-core-subsuming constructor).</span></div>
<div class="line"><a id="l00077" name="l00077"></a><span class="lineno">   77</span><span class="comment"> *</span></div>
<div class="line"><a id="l00078" name="l00078"></a><span class="lineno">   78</span><span class="comment"> * As a result -- whether that was a good or bad design (I say, good) -- at least the following is true:</span></div>
<div class="line"><a id="l00079" name="l00079"></a><span class="lineno">   79</span><span class="comment"> * Understanding the impl of `*this` class means: understanding the `sync_io` core sync_io::Native_socket_stream</span></div>
<div class="line"><a id="l00080" name="l00080"></a><span class="lineno">   80</span><span class="comment"> * *as a black box* (!); and then understanding the (actually quite limited) work necessary to build on top of that</span></div>
<div class="line"><a id="l00081" name="l00081"></a><span class="lineno">   81</span><span class="comment"> * to provide the desired API (as largedly mandated by Native_handle_sender and Native_handle_receiver concept</span></div>
<div class="line"><a id="l00082" name="l00082"></a><span class="lineno">   82</span><span class="comment"> * APIs).  Moreover, given a `sync_op::_*sender` the PEER-state logic for `*_sender` is always the same;</span></div>
<div class="line"><a id="l00083" name="l00083"></a><span class="lineno">   83</span><span class="comment"> * and similarly for `*_receiver`.  Because of that I factored out this adapter logic into</span></div>
<div class="line"><a id="l00084" name="l00084"></a><span class="lineno">   84</span><span class="comment"> * sync_io::Async_adapter_sender and sync_io::Async_adapter_receiver; so 49.5% of Native_socket_stream PEER-state</span></div>
<div class="line"><a id="l00085" name="l00085"></a><span class="lineno">   85</span><span class="comment"> * logic forwards to `Async_adapter_sender`, 49.5% to `Async_adapter_receiver`; and accordingly</span></div>
<div class="line"><a id="l00086" name="l00086"></a><span class="lineno">   86</span><span class="comment"> * 99% of each of `Blob_stream_mq_sender/receiver` forwards to `Async_adapter_sender/receiver`.  If more</span></div>
<div class="line"><a id="l00087" name="l00087"></a><span class="lineno">   87</span><span class="comment"> * sender/receiver types were to be written they could do the same.  So only the `sync_io::X` core is different.</span></div>
<div class="line"><a id="l00088" name="l00088"></a><span class="lineno">   88</span><span class="comment"> *</span></div>
<div class="line"><a id="l00089" name="l00089"></a><span class="lineno">   89</span><span class="comment"> * So... actually... it is pretty straightforward now!  Pre-decoupling it was much more of a challenge.</span></div>
<div class="line"><a id="l00090" name="l00090"></a><span class="lineno">   90</span><span class="comment"> * Of course, you may want to change its insides; in that case you might need to get into</span></div>
<div class="line"><a id="l00091" name="l00091"></a><span class="lineno">   91</span><span class="comment"> * sync_io::Native_socket_stream::Impl.  Though, that guy is simpler too, as its mission is much reduced --</span></div>
<div class="line"><a id="l00092" name="l00092"></a><span class="lineno">   92</span><span class="comment"> * no more &quot;thread W&quot; or async-handlers to invoke.</span></div>
<div class="line"><a id="l00093" name="l00093"></a><span class="lineno">   93</span><span class="comment"> *</span></div>
<div class="line"><a id="l00094" name="l00094"></a><span class="lineno">   94</span><span class="comment"> * That said you&#39;ll need to in fact understand how sync_io::Native_socket_stream (as a black box) works which means</span></div>
<div class="line"><a id="l00095" name="l00095"></a><span class="lineno">   95</span><span class="comment"> * getting comfortable with the `sync_io` pattern.  (See util::sync_io doc header.)</span></div>
<div class="line"><a id="l00096" name="l00096"></a><span class="lineno">   96</span><span class="comment"> *</span></div>
<div class="line"><a id="l00097" name="l00097"></a><span class="lineno">   97</span><span class="comment"> * ### Threads and thread nomenclature ###</span></div>
<div class="line"><a id="l00098" name="l00098"></a><span class="lineno">   98</span><span class="comment"> * *Thread U* refers to the user &quot;meta-thread&quot; from which the public APIs are invoked after construction.</span></div>
<div class="line"><a id="l00099" name="l00099"></a><span class="lineno">   99</span><span class="comment"> * Since (&quot;Thread safety&quot; in Native_socket_stream doc header) they are to protect from any concurrent API</span></div>
<div class="line"><a id="l00100" name="l00100"></a><span class="lineno">  100</span><span class="comment"> * calls on a given `*this`, all access to the APIs can be thought of as coming from a single &quot;thread&quot; U.  There is a</span></div>
<div class="line"><a id="l00101" name="l00101"></a><span class="lineno">  101</span><span class="comment"> * caveat: User-supplied completion handler callbacks are explicitly said to be invoked from an unspecified</span></div>
<div class="line"><a id="l00102" name="l00102"></a><span class="lineno">  102</span><span class="comment"> * thread that is *not* U, and the user is generally explicitly allowed to call public APIs directly from these</span></div>
<div class="line"><a id="l00103" name="l00103"></a><span class="lineno">  103</span><span class="comment"> * callbacks.  *Thread W* (see below) is the &quot;unspecified thread that is not U&quot; -- the worker thread.  Therefore, at</span></div>
<div class="line"><a id="l00104" name="l00104"></a><span class="lineno">  104</span><span class="comment"> * the top of each public API body, we write the internal comment &quot;We are in thread U *or* thread W (but always</span></div>
<div class="line"><a id="l00105" name="l00105"></a><span class="lineno">  105</span><span class="comment"> * serially).&quot; or similar.</span></div>
<div class="line"><a id="l00106" name="l00106"></a><span class="lineno">  106</span><span class="comment"> *</span></div>
<div class="line"><a id="l00107" name="l00107"></a><span class="lineno">  107</span><span class="comment"> * Generally speaking the threads are used as follows internally by `*this`:</span></div>
<div class="line"><a id="l00108" name="l00108"></a><span class="lineno">  108</span><span class="comment"> *   - User invokes `this-&gt;f()` in thread U.  We ask, immediately if possible, for `m_sync_io` (the `sync_io` core)</span></div>
<div class="line"><a id="l00109" name="l00109"></a><span class="lineno">  109</span><span class="comment"> *     to finish `m_sync_io.f()` as synchronously as it can.  If it can, wonderful.  If it cannot, it will</span></div>
<div class="line"><a id="l00110" name="l00110"></a><span class="lineno">  110</span><span class="comment"> *     (per `sync_io` pattern) ask to async-wait on an event (readable or writable) on some FD of its choice.</span></div>
<div class="line"><a id="l00111" name="l00111"></a><span class="lineno">  111</span><span class="comment"> *     We `.async_wait(F)` on it -- and as a result, on ready event, `F()` executes in thread W.</span></div>
<div class="line"><a id="l00112" name="l00112"></a><span class="lineno">  112</span><span class="comment"> *     - In thread W, `F()` eventually executes, so *within* `F()` we (1) tell `m_sync_io` of the ready event</span></div>
<div class="line"><a id="l00113" name="l00113"></a><span class="lineno">  113</span><span class="comment"> *       by calling into an `m_sync_io` API.</span></div>
<div class="line"><a id="l00114" name="l00114"></a><span class="lineno">  114</span><span class="comment"> *   - Into thread W, we `post()` user completion handlers, namely from `async_receive_*()` and async_end_sending().</span></div>
<div class="line"><a id="l00115" name="l00115"></a><span class="lineno">  115</span><span class="comment"> *     As promised that&#39;s the &quot;unspecified thread&quot; from which we do this.</span></div>
<div class="line"><a id="l00116" name="l00116"></a><span class="lineno">  116</span><span class="comment"> *</span></div>
<div class="line"><a id="l00117" name="l00117"></a><span class="lineno">  117</span><span class="comment"> * The thread-W `post()`ing does not require locking.  It does need to happen in a separate boost.asio task, as</span></div>
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno">  118</span><span class="comment"> * otherwise recursive mayhem can occur (we want to do A-B synchronously, but then between A and B they invoke</span></div>
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno">  119</span><span class="comment"> * `this-&gt;something()`, which starts something else =&gt; mayhem).</span></div>
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno">  120</span><span class="comment"> *</span></div>
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno">  121</span><span class="comment"> * However: the other 2 bullet points (first one and the sub-bullet under it) do operate on the same data</span></div>
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno">  122</span><span class="comment"> * from threads U and W potentially concurrently.  (Note: usually it is not necessary to engage thread W,</span></div>
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno">  123</span><span class="comment"> * except for receive-ops.  A receive-op may indeed commonly encounter would-block, simply because no data have</span></div>
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno">  124</span><span class="comment"> * arrived yet.  Otherwise: For send-ops, `m_sync_io` will synchronously succeed in each send, including that of</span></div>
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno">  125</span><span class="comment"> * graceful-close due to `*end_sending()`, unless the kernel buffer is full and gives would-block -- only if the</span></div>
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno">  126</span><span class="comment"> * opposing side is not reading in timely fashion.  The sparing use of multi-threading, instead completing stuff</span></div>
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno">  127</span><span class="comment"> * synchronously whenever humanly possible, is a good property of this design that uses a `sync_io` core.)</span></div>
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno">  128</span><span class="comment"> *</span></div>
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno">  129</span><span class="comment"> * That brings us to:</span></div>
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno">  130</span><span class="comment"> *</span></div>
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno">  131</span><span class="comment"> * ### Locking ###</span></div>
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno">  132</span><span class="comment"> * All receive logic is bracketed by a lock, sync_io::Async_adapter_receiver::m_mutex.</span></div>
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno">  133</span><span class="comment"> * Lock contention occurs only if more `async_receive_*()` requests are made while one is in progress.</span></div>
<div class="line"><a id="l00134" name="l00134"></a><span class="lineno">  134</span><span class="comment"> * This is, we guess, relatively rare.</span></div>
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno">  135</span><span class="comment"> *</span></div>
<div class="line"><a id="l00136" name="l00136"></a><span class="lineno">  136</span><span class="comment"> * All send logic is similarly bracketed by a different lock, sync_io::Async_adapter_sender::m_mutex.  Lock</span></div>
<div class="line"><a id="l00137" name="l00137"></a><span class="lineno">  137</span><span class="comment"> * contention occurs only if (1) `send_*()` (or, one supposes, `*end_sending()`, but that&#39;s negligible) encounters</span></div>
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno">  138</span><span class="comment"> * would-block inside `m_sync_io.send_*()`; *and* (2) more `send_*()` (+ `*end_sending()`) requests are made</span></div>
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno">  139</span><span class="comment"> * during this state.  (1) should be infrequent-to-non-existent assuming civilized opposing-side receiving behavior.</span></div>
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno">  140</span><span class="comment"> * Therefore lock contention should be rare.</span></div>
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno">  141</span><span class="comment"> *</span></div>
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno">  142</span><span class="comment"> * ### Outgoing-direction impl design ###</span></div>
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno">  143</span><span class="comment"> * @see sync_io::Async_adapter_sender where all that is encapsulated.</span></div>
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno">  144</span><span class="comment"> *</span></div>
<div class="line"><a id="l00145" name="l00145"></a><span class="lineno">  145</span><span class="comment"> * ### Incoming-direction impl design ###</span></div>
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno">  146</span><span class="comment"> * @see sync_io::Async_adapter_receiver where all that is encapsulated.</span></div>
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno">  147</span><span class="comment"> */</span></div>
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html">  148</a></span><span class="keyword">class </span><a class="code hl_class" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html">Native_socket_stream::Impl</a> :</div>
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno">  149</span>  <span class="keyword">public</span> flow::log::Log_context,</div>
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno">  150</span>  <span class="keyword">private</span> boost::noncopyable <span class="comment">// And not movable.</span></div>
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno">  151</span>{</div>
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno">  152</span><span class="keyword">public</span>:</div>
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno">  153</span>  <span class="comment">// Constructors/destructor.</span></div>
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno">  154</span><span class="comment"></span> </div>
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno">  155</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno">  156</span><span class="comment">   * See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno">  157</span><span class="comment">   *</span></div>
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno">  158</span><span class="comment">   * @param logger_ptr</span></div>
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno">  159</span><span class="comment">   *        See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno">  160</span><span class="comment">   * @param nickname_str</span></div>
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno">  161</span><span class="comment">   *        See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno">  162</span><span class="comment">   */</span></div>
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno">  163</span>  <span class="keyword">explicit</span> <a class="code hl_function" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#ad7c2d6c843935c5413d3dd8fbc39d272">Impl</a>(flow::log::Logger* logger_ptr, <a class="code hl_typedef" href="namespaceipc_1_1util.html#ae6ac47812a90d1287c61e0b7de7bc4f5">util::String_view</a> nickname_str);</div>
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno">  164</span><span class="comment"></span> </div>
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno">  165</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno">  166</span><span class="comment">   * See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno">  167</span><span class="comment">   *</span></div>
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno">  168</span><span class="comment">   * @param logger_ptr</span></div>
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno">  169</span><span class="comment">   *        See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno">  170</span><span class="comment">   * @param native_peer_socket_moved</span></div>
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno">  171</span><span class="comment">   *        See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno">  172</span><span class="comment">   * @param nickname_str</span></div>
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno">  173</span><span class="comment">   *        See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno">  174</span><span class="comment">   */</span></div>
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno">  175</span>  <span class="keyword">explicit</span> <a class="code hl_function" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#ad7c2d6c843935c5413d3dd8fbc39d272">Impl</a>(flow::log::Logger* logger_ptr, <a class="code hl_typedef" href="namespaceipc_1_1util.html#ae6ac47812a90d1287c61e0b7de7bc4f5">util::String_view</a> nickname_str,</div>
<div class="line"><a id="l00176" name="l00176"></a><span class="lineno">  176</span>                <a class="code hl_struct" href="structipc_1_1util_1_1Native__handle.html">Native_handle</a>&amp;&amp; native_peer_socket_moved);</div>
<div class="line"><a id="l00177" name="l00177"></a><span class="lineno">  177</span><span class="comment"></span> </div>
<div class="line"><a id="l00178" name="l00178"></a><span class="lineno">  178</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00179" name="l00179"></a><span class="lineno">  179</span><span class="comment">   * See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00180" name="l00180"></a><span class="lineno">  180</span><span class="comment">   *</span></div>
<div class="line"><a id="l00181" name="l00181"></a><span class="lineno">  181</span><span class="comment">   * @param sync_io_core_in_peer_state_moved</span></div>
<div class="line"><a id="l00182" name="l00182"></a><span class="lineno">  182</span><span class="comment">   *        See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00183" name="l00183"></a><span class="lineno">  183</span><span class="comment">   */</span></div>
<div class="line"><a id="l00184" name="l00184"></a><span class="lineno">  184</span>  <span class="keyword">explicit</span> <a class="code hl_function" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#ad7c2d6c843935c5413d3dd8fbc39d272">Impl</a>(<a class="code hl_class" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream.html">sync_io::Native_socket_stream</a>&amp;&amp; sync_io_core_in_peer_state_moved);</div>
<div class="line"><a id="l00185" name="l00185"></a><span class="lineno">  185</span><span class="comment"></span> </div>
<div class="line"><a id="l00186" name="l00186"></a><span class="lineno">  186</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00187" name="l00187"></a><span class="lineno">  187</span><span class="comment">   * See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00188" name="l00188"></a><span class="lineno">  188</span><span class="comment">   *</span></div>
<div class="line"><a id="l00189" name="l00189"></a><span class="lineno">  189</span><span class="comment">   * @internal</span></div>
<div class="line"><a id="l00190" name="l00190"></a><span class="lineno">  190</span><span class="comment">   * The unspecified thread from which remaining handlers are potentially invoked, as of this writing,</span></div>
<div class="line"><a id="l00191" name="l00191"></a><span class="lineno">  191</span><span class="comment">   * is not the usual thread W.  There is rationale discussion and detail in the body, but it seemed prudent to</span></div>
<div class="line"><a id="l00192" name="l00192"></a><span class="lineno">  192</span><span class="comment">   * point it out here.</span></div>
<div class="line"><a id="l00193" name="l00193"></a><span class="lineno">  193</span><span class="comment">   * @endinternal</span></div>
<div class="line"><a id="l00194" name="l00194"></a><span class="lineno">  194</span><span class="comment">   */</span></div>
<div class="line"><a id="l00195" name="l00195"></a><span class="lineno">  195</span>  <a class="code hl_function" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a0bc4f6f4dfa20d1c1902f1da85f637b3">~Impl</a>();</div>
<div class="line"><a id="l00196" name="l00196"></a><span class="lineno">  196</span> </div>
<div class="line"><a id="l00197" name="l00197"></a><span class="lineno">  197</span>  <span class="comment">// Methods.</span></div>
<div class="line"><a id="l00198" name="l00198"></a><span class="lineno">  198</span> </div>
<div class="line"><a id="l00199" name="l00199"></a><span class="lineno">  199</span>  <span class="comment">/* The following dead code is intentionally left-in; in fact this doc header (or close to it) could live</span></div>
<div class="line"><a id="l00200" name="l00200"></a><span class="lineno">  200</span><span class="comment">   * in transport::Native_socket_stream and an identical signature in this Impl would implement it.  Why is it around?</span></div>
<div class="line"><a id="l00201" name="l00201"></a><span class="lineno">  201</span><span class="comment">   * Answer: There is currently no public async_connect(), only private; the public-facing reason for this</span></div>
<div class="line"><a id="l00202" name="l00202"></a><span class="lineno">  202</span><span class="comment">   * is briefly given in the Native_socket_stream class doc header (TL;DR: there&#39;s no point, as locally it&#39;s always</span></div>
<div class="line"><a id="l00203" name="l00203"></a><span class="lineno">  203</span><span class="comment">   * a quick operation); the internal reason that async_connect() does exist, but not publicly, is given at length</span></div>
<div class="line"><a id="l00204" name="l00204"></a><span class="lineno">  204</span><span class="comment">   * in the sync_io::Native_socket_stream::Impl doc header.  release() would be quite helpful, if async_connect()</span></div>
<div class="line"><a id="l00205" name="l00205"></a><span class="lineno">  205</span><span class="comment">   * were public: As then one could construct an async-I/O-pattern transport::Native_socket_stream; .async_connect()</span></div>
<div class="line"><a id="l00206" name="l00206"></a><span class="lineno">  206</span><span class="comment">   * it; then .release() the sync_io-pattern core; and various things elsewhere require sync_io-pattern cores</span></div>
<div class="line"><a id="l00207" name="l00207"></a><span class="lineno">  207</span><span class="comment">   * rather than the heavier-weight, thread-assisted async-I/O wrappers like a *this.  So one could .release() a core</span></div>
<div class="line"><a id="l00208" name="l00208"></a><span class="lineno">  208</span><span class="comment">   * and then feed it to whatever needs it.  Thing is, as noted elsewhere, there are serious plans to extend</span></div>
<div class="line"><a id="l00209" name="l00209"></a><span class="lineno">  209</span><span class="comment">   * the Unix-domain-socket locally-focused Native_socket_stream to a TCP-networked version whose code would mostly</span></div>
<div class="line"><a id="l00210" name="l00210"></a><span class="lineno">  210</span><span class="comment">   * be reusing us (a stream socket is a stream socket, in many ways, whether local or TCP).  At that point</span></div>
<div class="line"><a id="l00211" name="l00211"></a><span class="lineno">  211</span><span class="comment">   * we&#39;d like this release() to be immediately visible to the developer.  So that&#39;s why this is around.  Naturally,</span></div>
<div class="line"><a id="l00212" name="l00212"></a><span class="lineno">  212</span><span class="comment">   * its code might diverge over time, but at least as of this writing we suspect it&#39;s useful to keep this around,</span></div>
<div class="line"><a id="l00213" name="l00213"></a><span class="lineno">  213</span><span class="comment">   * it doesn&#39;t get in the way too much.  (Historically, it has not always been dead code and worked nicely.) */</span></div>
<div class="line"><a id="l00214" name="l00214"></a><span class="lineno">  214</span><span class="preprocessor">#if 0</span><span class="comment"></span></div>
<div class="line"><a id="l00215" name="l00215"></a><span class="lineno">  215</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00216" name="l00216"></a><span class="lineno">  216</span><span class="comment">   * In PEER state only, with no prior send or receive ops, returns a sync_io::Native_socket_stream core</span></div>
<div class="line"><a id="l00217" name="l00217"></a><span class="lineno">  217</span><span class="comment">   * (as-if just constructed) operating on `*this` underlying low-level transport `Native_handle`; while</span></div>
<div class="line"><a id="l00218" name="l00218"></a><span class="lineno">  218</span><span class="comment">   * `*this` becomes as-if default-cted.</span></div>
<div class="line"><a id="l00219" name="l00219"></a><span class="lineno">  219</span><span class="comment">   *</span></div>
<div class="line"><a id="l00220" name="l00220"></a><span class="lineno">  220</span><span class="comment">   * This can be useful if one desires a `sync_io` core -- e.g., to bundle into a Channel to then feed to</span></div>
<div class="line"><a id="l00221" name="l00221"></a><span class="lineno">  221</span><span class="comment">   * a struc::Channel ctor -- after a successful async-I/O-style async_connect() advanced `*this`</span></div>
<div class="line"><a id="l00222" name="l00222"></a><span class="lineno">  222</span><span class="comment">   * from NULL to CONNECTING to PEER state.</span></div>
<div class="line"><a id="l00223" name="l00223"></a><span class="lineno">  223</span><span class="comment">   *</span></div>
<div class="line"><a id="l00224" name="l00224"></a><span class="lineno">  224</span><span class="comment">   * In a sense it&#39;s the reverse of `*this` `sync_io`-core-adopting ctor.</span></div>
<div class="line"><a id="l00225" name="l00225"></a><span class="lineno">  225</span><span class="comment">   *</span></div>
<div class="line"><a id="l00226" name="l00226"></a><span class="lineno">  226</span><span class="comment">   * Behavior is undefined if `*this` is not in PEER state, or if it is, but you&#39;ve invoked `async_receive_*()`,</span></div>
<div class="line"><a id="l00227" name="l00227"></a><span class="lineno">  227</span><span class="comment">   * `send_*()`, `*end_sending()`, auto_ping(), or idle_timer_run() in the past.  Please be careful.</span></div>
<div class="line"><a id="l00228" name="l00228"></a><span class="lineno">  228</span><span class="comment">   *</span></div>
<div class="line"><a id="l00229" name="l00229"></a><span class="lineno">  229</span><span class="comment">   * @return See above.</span></div>
<div class="line"><a id="l00230" name="l00230"></a><span class="lineno">  230</span><span class="comment">   */</span><span class="preprocessor"></span></div>
<div class="line"><a id="l00231" name="l00231"></a><span class="lineno">  231</span>  <a class="code hl_class" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream.html">sync_io::Native_socket_stream</a> release();</div>
<div class="line"><a id="l00232" name="l00232"></a><span class="lineno">  232</span><span class="preprocessor">#endif</span></div>
<div class="line"><a id="l00233" name="l00233"></a><span class="lineno">  233</span><span class="comment"></span> </div>
<div class="line"><a id="l00234" name="l00234"></a><span class="lineno">  234</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00235" name="l00235"></a><span class="lineno">  235</span><span class="comment">   * See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00236" name="l00236"></a><span class="lineno">  236</span><span class="comment">   * @return See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00237" name="l00237"></a><span class="lineno">  237</span><span class="comment">   */</span></div>
<div class="line"><a id="l00238" name="l00238"></a><span class="lineno">  238</span>  <span class="keyword">const</span> std::string&amp; <a class="code hl_function" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#ab1d81ebbd3fe32d20007c408c2693c93">nickname</a>() <span class="keyword">const</span>;</div>
<div class="line"><a id="l00239" name="l00239"></a><span class="lineno">  239</span><span class="comment"></span> </div>
<div class="line"><a id="l00240" name="l00240"></a><span class="lineno">  240</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00241" name="l00241"></a><span class="lineno">  241</span><span class="comment">   * See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00242" name="l00242"></a><span class="lineno">  242</span><span class="comment">   *</span></div>
<div class="line"><a id="l00243" name="l00243"></a><span class="lineno">  243</span><span class="comment">   * @param absolute_name</span></div>
<div class="line"><a id="l00244" name="l00244"></a><span class="lineno">  244</span><span class="comment">   *        See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00245" name="l00245"></a><span class="lineno">  245</span><span class="comment">   * @param err_code</span></div>
<div class="line"><a id="l00246" name="l00246"></a><span class="lineno">  246</span><span class="comment">   *        See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00247" name="l00247"></a><span class="lineno">  247</span><span class="comment">   * @return See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00248" name="l00248"></a><span class="lineno">  248</span><span class="comment">   */</span></div>
<div class="line"><a id="l00249" name="l00249"></a><span class="lineno">  249</span>  <span class="keywordtype">bool</span> <a class="code hl_function" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a4706d150ea840300dd23edbf71ed64b4">sync_connect</a>(<span class="keyword">const</span> <a class="code hl_class" href="classipc_1_1util_1_1Shared__name.html">Shared_name</a>&amp; absolute_name, <a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a>* err_code);</div>
<div class="line"><a id="l00250" name="l00250"></a><span class="lineno">  250</span><span class="comment"></span> </div>
<div class="line"><a id="l00251" name="l00251"></a><span class="lineno">  251</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00252" name="l00252"></a><span class="lineno">  252</span><span class="comment">   * See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00253" name="l00253"></a><span class="lineno">  253</span><span class="comment">   *</span></div>
<div class="line"><a id="l00254" name="l00254"></a><span class="lineno">  254</span><span class="comment">   * @param err_code</span></div>
<div class="line"><a id="l00255" name="l00255"></a><span class="lineno">  255</span><span class="comment">   *        See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00256" name="l00256"></a><span class="lineno">  256</span><span class="comment">   * @return See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00257" name="l00257"></a><span class="lineno">  257</span><span class="comment">   */</span></div>
<div class="line"><a id="l00258" name="l00258"></a><span class="lineno">  258</span>  <a class="code hl_class" href="classipc_1_1util_1_1Process__credentials.html">util::Process_credentials</a> <a class="code hl_function" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a49473cdfdb7b33d42c53d8b029692a58">remote_peer_process_credentials</a>(<a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a>* err_code) <span class="keyword">const</span>;</div>
<div class="line"><a id="l00259" name="l00259"></a><span class="lineno">  259</span><span class="comment"></span> </div>
<div class="line"><a id="l00260" name="l00260"></a><span class="lineno">  260</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00261" name="l00261"></a><span class="lineno">  261</span><span class="comment">   * See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00262" name="l00262"></a><span class="lineno">  262</span><span class="comment">   * @return See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00263" name="l00263"></a><span class="lineno">  263</span><span class="comment">   */</span></div>
<div class="line"><a id="l00264" name="l00264"></a><span class="lineno">  264</span>  <span class="keywordtype">size_t</span> <a class="code hl_function" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a356082fb50487830a83301cf12836ede">send_meta_blob_max_size</a>() <span class="keyword">const</span>;</div>
<div class="line"><a id="l00265" name="l00265"></a><span class="lineno">  265</span><span class="comment"></span> </div>
<div class="line"><a id="l00266" name="l00266"></a><span class="lineno">  266</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00267" name="l00267"></a><span class="lineno">  267</span><span class="comment">   * See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00268" name="l00268"></a><span class="lineno">  268</span><span class="comment">   * @return See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00269" name="l00269"></a><span class="lineno">  269</span><span class="comment">   */</span></div>
<div class="line"><a id="l00270" name="l00270"></a><span class="lineno">  270</span>  <span class="keywordtype">size_t</span> <a class="code hl_function" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a056a63cf017ac7a1f41d584b66acbfc7">send_blob_max_size</a>() <span class="keyword">const</span>;</div>
<div class="line"><a id="l00271" name="l00271"></a><span class="lineno">  271</span><span class="comment"></span> </div>
<div class="line"><a id="l00272" name="l00272"></a><span class="lineno">  272</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00273" name="l00273"></a><span class="lineno">  273</span><span class="comment">   * See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00274" name="l00274"></a><span class="lineno">  274</span><span class="comment">   *</span></div>
<div class="line"><a id="l00275" name="l00275"></a><span class="lineno">  275</span><span class="comment">   * @param hndl_or_null</span></div>
<div class="line"><a id="l00276" name="l00276"></a><span class="lineno">  276</span><span class="comment">   *        See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00277" name="l00277"></a><span class="lineno">  277</span><span class="comment">   * @param meta_blob</span></div>
<div class="line"><a id="l00278" name="l00278"></a><span class="lineno">  278</span><span class="comment">   *        See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00279" name="l00279"></a><span class="lineno">  279</span><span class="comment">   * @param err_code</span></div>
<div class="line"><a id="l00280" name="l00280"></a><span class="lineno">  280</span><span class="comment">   *        See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00281" name="l00281"></a><span class="lineno">  281</span><span class="comment">   * @return See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00282" name="l00282"></a><span class="lineno">  282</span><span class="comment">   */</span></div>
<div class="line"><a id="l00283" name="l00283"></a><span class="lineno">  283</span>  <span class="keywordtype">bool</span> <a class="code hl_function" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a9b6672d56734dd78fe2c4ab5c6472b18">send_native_handle</a>(<a class="code hl_struct" href="structipc_1_1util_1_1Native__handle.html">Native_handle</a> hndl_or_null, <span class="keyword">const</span> <a class="code hl_typedef" href="namespaceipc_1_1util.html#ae0be7edba7e30ffa3f8b742af621f2ab">util::Blob_const</a>&amp; meta_blob, <a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a>* err_code);</div>
<div class="line"><a id="l00284" name="l00284"></a><span class="lineno">  284</span><span class="comment"></span> </div>
<div class="line"><a id="l00285" name="l00285"></a><span class="lineno">  285</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00286" name="l00286"></a><span class="lineno">  286</span><span class="comment">   * See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00287" name="l00287"></a><span class="lineno">  287</span><span class="comment">   *</span></div>
<div class="line"><a id="l00288" name="l00288"></a><span class="lineno">  288</span><span class="comment">   * @param blob</span></div>
<div class="line"><a id="l00289" name="l00289"></a><span class="lineno">  289</span><span class="comment">   *        See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00290" name="l00290"></a><span class="lineno">  290</span><span class="comment">   * @param err_code</span></div>
<div class="line"><a id="l00291" name="l00291"></a><span class="lineno">  291</span><span class="comment">   *        See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00292" name="l00292"></a><span class="lineno">  292</span><span class="comment">   * @return See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00293" name="l00293"></a><span class="lineno">  293</span><span class="comment">   */</span></div>
<div class="line"><a id="l00294" name="l00294"></a><span class="lineno">  294</span>  <span class="keywordtype">bool</span> <a class="code hl_function" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a15b8a1c70ca6bec7fc7dad87adf7f348">send_blob</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceipc_1_1util.html#ae0be7edba7e30ffa3f8b742af621f2ab">util::Blob_const</a>&amp; blob, <a class="code hl_typedef" href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">Error_code</a>* err_code);</div>
<div class="line"><a id="l00295" name="l00295"></a><span class="lineno">  295</span><span class="comment"></span> </div>
<div class="line"><a id="l00296" name="l00296"></a><span class="lineno">  296</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00297" name="l00297"></a><span class="lineno">  297</span><span class="comment">   * See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00298" name="l00298"></a><span class="lineno">  298</span><span class="comment">   *</span></div>
<div class="line"><a id="l00299" name="l00299"></a><span class="lineno">  299</span><span class="comment">   * @param on_done_func</span></div>
<div class="line"><a id="l00300" name="l00300"></a><span class="lineno">  300</span><span class="comment">   *        See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00301" name="l00301"></a><span class="lineno">  301</span><span class="comment">   * @return See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00302" name="l00302"></a><span class="lineno">  302</span><span class="comment">   */</span></div>
<div class="line"><a id="l00303" name="l00303"></a><span class="lineno">  303</span>  <span class="keywordtype">bool</span> <a class="code hl_function" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#aba41a8c94c5bc335494cd7bb534f1c11">async_end_sending</a>(flow::async::Task_asio_err&amp;&amp; on_done_func);</div>
<div class="line"><a id="l00304" name="l00304"></a><span class="lineno">  304</span><span class="comment"></span> </div>
<div class="line"><a id="l00305" name="l00305"></a><span class="lineno">  305</span><span class="comment">  /// See Native_socket_stream counterpart.  @return Ditto.</span></div>
<div class="line"><a id="l00306" name="l00306"></a><span class="lineno">  306</span><span class="comment"></span>  <span class="keywordtype">bool</span> <a class="code hl_function" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a39c3a466e4f61e20dfaa8d9b66266f61">end_sending</a>();</div>
<div class="line"><a id="l00307" name="l00307"></a><span class="lineno">  307</span><span class="comment"></span> </div>
<div class="line"><a id="l00308" name="l00308"></a><span class="lineno">  308</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00309" name="l00309"></a><span class="lineno">  309</span><span class="comment">   * See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00310" name="l00310"></a><span class="lineno">  310</span><span class="comment">   *</span></div>
<div class="line"><a id="l00311" name="l00311"></a><span class="lineno">  311</span><span class="comment">   * @param period</span></div>
<div class="line"><a id="l00312" name="l00312"></a><span class="lineno">  312</span><span class="comment">   *        See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00313" name="l00313"></a><span class="lineno">  313</span><span class="comment">   * @return See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00314" name="l00314"></a><span class="lineno">  314</span><span class="comment">   */</span></div>
<div class="line"><a id="l00315" name="l00315"></a><span class="lineno">  315</span>  <span class="keywordtype">bool</span> <a class="code hl_function" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#ae5759a20fc2b1e92c2c23a5af7a5efc1">auto_ping</a>(<a class="code hl_typedef" href="namespaceipc_1_1util.html#ac66141280c3b7295a86b65209f31cc58">util::Fine_duration</a> period);</div>
<div class="line"><a id="l00316" name="l00316"></a><span class="lineno">  316</span><span class="comment"></span> </div>
<div class="line"><a id="l00317" name="l00317"></a><span class="lineno">  317</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00318" name="l00318"></a><span class="lineno">  318</span><span class="comment">   * See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00319" name="l00319"></a><span class="lineno">  319</span><span class="comment">   * @return See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00320" name="l00320"></a><span class="lineno">  320</span><span class="comment">   */</span></div>
<div class="line"><a id="l00321" name="l00321"></a><span class="lineno">  321</span>  <span class="keywordtype">size_t</span> <a class="code hl_function" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#ae599fae31c48348f10341c6c70e343e7">receive_meta_blob_max_size</a>() <span class="keyword">const</span>;</div>
<div class="line"><a id="l00322" name="l00322"></a><span class="lineno">  322</span><span class="comment"></span> </div>
<div class="line"><a id="l00323" name="l00323"></a><span class="lineno">  323</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00324" name="l00324"></a><span class="lineno">  324</span><span class="comment">   * See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00325" name="l00325"></a><span class="lineno">  325</span><span class="comment">   * @return See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00326" name="l00326"></a><span class="lineno">  326</span><span class="comment">   */</span></div>
<div class="line"><a id="l00327" name="l00327"></a><span class="lineno">  327</span>  <span class="keywordtype">size_t</span> <a class="code hl_function" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a7ca2349b422211f699c71b3e15dcbf31">receive_blob_max_size</a>() <span class="keyword">const</span>;</div>
<div class="line"><a id="l00328" name="l00328"></a><span class="lineno">  328</span><span class="comment"></span> </div>
<div class="line"><a id="l00329" name="l00329"></a><span class="lineno">  329</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00330" name="l00330"></a><span class="lineno">  330</span><span class="comment">   * See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00331" name="l00331"></a><span class="lineno">  331</span><span class="comment">   *</span></div>
<div class="line"><a id="l00332" name="l00332"></a><span class="lineno">  332</span><span class="comment">   * @param target_hndl</span></div>
<div class="line"><a id="l00333" name="l00333"></a><span class="lineno">  333</span><span class="comment">   *        See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00334" name="l00334"></a><span class="lineno">  334</span><span class="comment">   * @param target_meta_blob</span></div>
<div class="line"><a id="l00335" name="l00335"></a><span class="lineno">  335</span><span class="comment">   *        See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00336" name="l00336"></a><span class="lineno">  336</span><span class="comment">   * @param on_done_func</span></div>
<div class="line"><a id="l00337" name="l00337"></a><span class="lineno">  337</span><span class="comment">   *        See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00338" name="l00338"></a><span class="lineno">  338</span><span class="comment">   * @return See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00339" name="l00339"></a><span class="lineno">  339</span><span class="comment">   */</span></div>
<div class="line"><a id="l00340" name="l00340"></a><span class="lineno">  340</span>  <span class="keywordtype">bool</span> <a class="code hl_function" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a472560960a22993f75c87bea962104bc">async_receive_native_handle</a>(<a class="code hl_struct" href="structipc_1_1util_1_1Native__handle.html">Native_handle</a>* target_hndl,</div>
<div class="line"><a id="l00341" name="l00341"></a><span class="lineno">  341</span>                                   <span class="keyword">const</span> <a class="code hl_typedef" href="namespaceipc_1_1util.html#a6cb62ae434900f3a8915b33ec5d61a96">util::Blob_mutable</a>&amp; target_meta_blob,</div>
<div class="line"><a id="l00342" name="l00342"></a><span class="lineno">  342</span>                                   flow::async::Task_asio_err_sz&amp;&amp; on_done_func);</div>
<div class="line"><a id="l00343" name="l00343"></a><span class="lineno">  343</span><span class="comment"></span> </div>
<div class="line"><a id="l00344" name="l00344"></a><span class="lineno">  344</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00345" name="l00345"></a><span class="lineno">  345</span><span class="comment">   * See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00346" name="l00346"></a><span class="lineno">  346</span><span class="comment">   *</span></div>
<div class="line"><a id="l00347" name="l00347"></a><span class="lineno">  347</span><span class="comment">   * @param target_blob</span></div>
<div class="line"><a id="l00348" name="l00348"></a><span class="lineno">  348</span><span class="comment">   *        See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00349" name="l00349"></a><span class="lineno">  349</span><span class="comment">   * @param on_done_func</span></div>
<div class="line"><a id="l00350" name="l00350"></a><span class="lineno">  350</span><span class="comment">   *        See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00351" name="l00351"></a><span class="lineno">  351</span><span class="comment">   * @return See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00352" name="l00352"></a><span class="lineno">  352</span><span class="comment">   */</span></div>
<div class="line"><a id="l00353" name="l00353"></a><span class="lineno">  353</span>  <span class="keywordtype">bool</span> <a class="code hl_function" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a89edcfd79bbd088c6900fcfa026f07bf">async_receive_blob</a>(<span class="keyword">const</span> <a class="code hl_typedef" href="namespaceipc_1_1util.html#a6cb62ae434900f3a8915b33ec5d61a96">util::Blob_mutable</a>&amp; target_blob,</div>
<div class="line"><a id="l00354" name="l00354"></a><span class="lineno">  354</span>                          flow::async::Task_asio_err_sz&amp;&amp; on_done_func);</div>
<div class="line"><a id="l00355" name="l00355"></a><span class="lineno">  355</span><span class="comment"></span> </div>
<div class="line"><a id="l00356" name="l00356"></a><span class="lineno">  356</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00357" name="l00357"></a><span class="lineno">  357</span><span class="comment">   * See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00358" name="l00358"></a><span class="lineno">  358</span><span class="comment">   *</span></div>
<div class="line"><a id="l00359" name="l00359"></a><span class="lineno">  359</span><span class="comment">   * @param timeout</span></div>
<div class="line"><a id="l00360" name="l00360"></a><span class="lineno">  360</span><span class="comment">   *        See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00361" name="l00361"></a><span class="lineno">  361</span><span class="comment">   * @return See Native_socket_stream counterpart.</span></div>
<div class="line"><a id="l00362" name="l00362"></a><span class="lineno">  362</span><span class="comment">   */</span></div>
<div class="line"><a id="l00363" name="l00363"></a><span class="lineno">  363</span>  <span class="keywordtype">bool</span> <a class="code hl_function" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a3103ec6899bfb6f945d970d8c4114338">idle_timer_run</a>(<a class="code hl_typedef" href="namespaceipc_1_1util.html#ac66141280c3b7295a86b65209f31cc58">util::Fine_duration</a> timeout);</div>
<div class="line"><a id="l00364" name="l00364"></a><span class="lineno">  364</span> </div>
<div class="line"><a id="l00365" name="l00365"></a><span class="lineno">  365</span><span class="keyword">private</span>:</div>
<div class="line"><a id="l00366" name="l00366"></a><span class="lineno">  366</span>  <span class="comment">// Constructors.</span></div>
<div class="line"><a id="l00367" name="l00367"></a><span class="lineno">  367</span><span class="comment"></span> </div>
<div class="line"><a id="l00368" name="l00368"></a><span class="lineno">  368</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00369" name="l00369"></a><span class="lineno">  369</span><span class="comment">   * Core delegated-to ctor: does everything except `m_sync_io.start_*_ops()`.</span></div>
<div class="line"><a id="l00370" name="l00370"></a><span class="lineno">  370</span><span class="comment">   * Delegating ctor shall do nothing further if starting in NULL state;</span></div>
<div class="line"><a id="l00371" name="l00371"></a><span class="lineno">  371</span><span class="comment">   * else (starting directly in PEER state) it will delegate `m_sync_io.start_receive/send_*_ops()`</span></div>
<div class="line"><a id="l00372" name="l00372"></a><span class="lineno">  372</span><span class="comment">   * to #m_snd_sync_io_adapter and #m_rcv_sync_io_adapter which it will initialize.</span></div>
<div class="line"><a id="l00373" name="l00373"></a><span class="lineno">  373</span><span class="comment">   *</span></div>
<div class="line"><a id="l00374" name="l00374"></a><span class="lineno">  374</span><span class="comment">   * Therefore if entering PEER state due to successful `*_connect()`, #m_snd_sync_io_adapter and</span></div>
<div class="line"><a id="l00375" name="l00375"></a><span class="lineno">  375</span><span class="comment">   * #m_rcv_sync_io_adapter will be created at that time.</span></div>
<div class="line"><a id="l00376" name="l00376"></a><span class="lineno">  376</span><span class="comment">   *</span></div>
<div class="line"><a id="l00377" name="l00377"></a><span class="lineno">  377</span><span class="comment">   * `get_logger()` and nickname() values are obtained from `sync_io_core_moved`.</span></div>
<div class="line"><a id="l00378" name="l00378"></a><span class="lineno">  378</span><span class="comment">   *</span></div>
<div class="line"><a id="l00379" name="l00379"></a><span class="lineno">  379</span><span class="comment">   * @param sync_io_core_moved</span></div>
<div class="line"><a id="l00380" name="l00380"></a><span class="lineno">  380</span><span class="comment">   *        A freshly constructed sync_io::Native_socket_stream subsumed by `*this` (this object</span></div>
<div class="line"><a id="l00381" name="l00381"></a><span class="lineno">  381</span><span class="comment">   *        becomes as-if-default-cted).  It can be in NULL or PEER state.</span></div>
<div class="line"><a id="l00382" name="l00382"></a><span class="lineno">  382</span><span class="comment">   * @param tag</span></div>
<div class="line"><a id="l00383" name="l00383"></a><span class="lineno">  383</span><span class="comment">   *        Ctor-selecting tag.</span></div>
<div class="line"><a id="l00384" name="l00384"></a><span class="lineno">  384</span><span class="comment">   */</span></div>
<div class="line"><a id="l00385" name="l00385"></a><span class="lineno">  385</span>  <span class="keyword">explicit</span> <a class="code hl_function" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#ad7c2d6c843935c5413d3dd8fbc39d272">Impl</a>(<a class="code hl_class" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream.html">sync_io::Native_socket_stream</a>&amp;&amp; sync_io_core_moved, std::nullptr_t tag);</div>
<div class="line"><a id="l00386" name="l00386"></a><span class="lineno">  386</span> </div>
<div class="line"><a id="l00387" name="l00387"></a><span class="lineno">  387</span>  <span class="comment">// Data.</span></div>
<div class="line"><a id="l00388" name="l00388"></a><span class="lineno">  388</span> </div>
<div class="line"><a id="l00389" name="l00389"></a><span class="lineno">  389</span>  <span class="comment">// General data (both-direction pipes, not connect-ops-related).</span></div>
<div class="line"><a id="l00390" name="l00390"></a><span class="lineno">  390</span><span class="comment"></span> </div>
<div class="line"><a id="l00391" name="l00391"></a><span class="lineno">  391</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00392" name="l00392"></a><span class="lineno">  392</span><span class="comment">   * Single-thread worker pool for all internal async work in both directions.  Referred to as thread W in comments.</span></div>
<div class="line"><a id="l00393" name="l00393"></a><span class="lineno">  393</span><span class="comment">   * See doc header impl section for discussion.</span></div>
<div class="line"><a id="l00394" name="l00394"></a><span class="lineno">  394</span><span class="comment">   *</span></div>
<div class="line"><a id="l00395" name="l00395"></a><span class="lineno">  395</span><span class="comment">   * Ordering: Must be either declared after mutex(es), or `.stop()`ed explicitly in dtor: Thread must be joined,</span></div>
<div class="line"><a id="l00396" name="l00396"></a><span class="lineno">  396</span><span class="comment">   * before mutex possibly-locked-in-it destructs.</span></div>
<div class="line"><a id="l00397" name="l00397"></a><span class="lineno">  397</span><span class="comment">   *</span></div>
<div class="line"><a id="l00398" name="l00398"></a><span class="lineno">  398</span><span class="comment">   * Why is it wrapped in `unique_ptr`?  As of this writing the only reason is release() needs to be able to</span></div>
<div class="line"><a id="l00399" name="l00399"></a><span class="lineno">  399</span><span class="comment">   * `move()` it to a temporary stack object before destroying it outright.</span></div>
<div class="line"><a id="l00400" name="l00400"></a><span class="lineno">  400</span><span class="comment">   */</span></div>
<div class="line"><a id="l00401" name="l00401"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a4a7ab0a981614724b559b38634634d8a">  401</a></span>  boost::movelib::unique_ptr&lt;flow::async::Single_thread_task_loop&gt; <a class="code hl_variable" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a4a7ab0a981614724b559b38634634d8a">m_worker</a>;</div>
<div class="line"><a id="l00402" name="l00402"></a><span class="lineno">  402</span><span class="comment"></span> </div>
<div class="line"><a id="l00403" name="l00403"></a><span class="lineno">  403</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00404" name="l00404"></a><span class="lineno">  404</span><span class="comment">   * The core `Native_socket_stream` engine, implementing the `sync_io` pattern (see util::sync_io doc header).</span></div>
<div class="line"><a id="l00405" name="l00405"></a><span class="lineno">  405</span><span class="comment">   * See our class doc header for overview of how we use it (the aforementioned `sync_io` doc header talks about</span></div>
<div class="line"><a id="l00406" name="l00406"></a><span class="lineno">  406</span><span class="comment">   * the `sync_io` pattern generally).</span></div>
<div class="line"><a id="l00407" name="l00407"></a><span class="lineno">  407</span><span class="comment">   *</span></div>
<div class="line"><a id="l00408" name="l00408"></a><span class="lineno">  408</span><span class="comment">   * Thus, #m_sync_io is the synchronous engine that we use to perform our work in our asynchronous boost.asio</span></div>
<div class="line"><a id="l00409" name="l00409"></a><span class="lineno">  409</span><span class="comment">   * loop running in thread W (#m_worker) while collaborating with user thread(s) a/k/a thread U.</span></div>
<div class="line"><a id="l00410" name="l00410"></a><span class="lineno">  410</span><span class="comment">   * (Recall that the user may choose to set up their own event loop/thread(s) --</span></div>
<div class="line"><a id="l00411" name="l00411"></a><span class="lineno">  411</span><span class="comment">   * boost.asio-based or otherwise -- and use their own equivalent of an #m_sync_io instead.)</span></div>
<div class="line"><a id="l00412" name="l00412"></a><span class="lineno">  412</span><span class="comment">   *</span></div>
<div class="line"><a id="l00413" name="l00413"></a><span class="lineno">  413</span><span class="comment">   * ### Order subtlety versus `m_worker` ###</span></div>
<div class="line"><a id="l00414" name="l00414"></a><span class="lineno">  414</span><span class="comment">   * When constructing #m_sync_io, we need the `Task_engine` from #m_worker.  On the other hand tasks operating</span></div>
<div class="line"><a id="l00415" name="l00415"></a><span class="lineno">  415</span><span class="comment">   * in #m_worker access #m_sync_io.  So in destructor it is important to `m_worker.stop()` explicitly, so that</span></div>
<div class="line"><a id="l00416" name="l00416"></a><span class="lineno">  416</span><span class="comment">   * the latter is no longer a factor.  Then when automatic destruction occurs in the opposite order of</span></div>
<div class="line"><a id="l00417" name="l00417"></a><span class="lineno">  417</span><span class="comment">   * creation, the fact that #m_sync_io is destroyed before #m_worker has no bad effect.</span></div>
<div class="line"><a id="l00418" name="l00418"></a><span class="lineno">  418</span><span class="comment">   */</span></div>
<div class="line"><a id="l00419" name="l00419"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a8e3d15efe152af3d5de7bed2a094b885">  419</a></span>  <a class="code hl_class" href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream.html">sync_io::Native_socket_stream</a> <a class="code hl_variable" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a8e3d15efe152af3d5de7bed2a094b885">m_sync_io</a>;</div>
<div class="line"><a id="l00420" name="l00420"></a><span class="lineno">  420</span> </div>
<div class="line"><a id="l00421" name="l00421"></a><span class="lineno">  421</span>  <span class="comment">// Send-ops data.</span></div>
<div class="line"><a id="l00422" name="l00422"></a><span class="lineno">  422</span><span class="comment"></span> </div>
<div class="line"><a id="l00423" name="l00423"></a><span class="lineno">  423</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00424" name="l00424"></a><span class="lineno">  424</span><span class="comment">   * Null until PEER state, this handles ~all send-ops logic in that state.  sync_io::Async_adapter_sender adapts</span></div>
<div class="line"><a id="l00425" name="l00425"></a><span class="lineno">  425</span><span class="comment">   * any sync_io::Native_handle_sender and makes available ~all necessary async-I/O Native_handle_sender APIs.</span></div>
<div class="line"><a id="l00426" name="l00426"></a><span class="lineno">  426</span><span class="comment">   * So in PEER state we forward ~everything to this guy.</span></div>
<div class="line"><a id="l00427" name="l00427"></a><span class="lineno">  427</span><span class="comment">   *</span></div>
<div class="line"><a id="l00428" name="l00428"></a><span class="lineno">  428</span><span class="comment">   * ### Creation ###</span></div>
<div class="line"><a id="l00429" name="l00429"></a><span class="lineno">  429</span><span class="comment">   * By its contract, this guy&#39;s ctor will handle what it needs to, as long as #m_worker (to which it stores a pointer)</span></div>
<div class="line"><a id="l00430" name="l00430"></a><span class="lineno">  430</span><span class="comment">   * has been `.start()`ed by that time, and #m_sync_io (to which it stores... ditto) has been</span></div>
<div class="line"><a id="l00431" name="l00431"></a><span class="lineno">  431</span><span class="comment">   * `.replace_event_wait_handles()`ed as required.</span></div>
<div class="line"><a id="l00432" name="l00432"></a><span class="lineno">  432</span><span class="comment">   *</span></div>
<div class="line"><a id="l00433" name="l00433"></a><span class="lineno">  433</span><span class="comment">   * ### Destruction ###</span></div>
<div class="line"><a id="l00434" name="l00434"></a><span class="lineno">  434</span><span class="comment">   * By its contract, this guy&#39;s dtor will handle what it needs to, as long as #m_worker (to which it stores a pointer)</span></div>
<div class="line"><a id="l00435" name="l00435"></a><span class="lineno">  435</span><span class="comment">   * has been `.stop()`ed by that time, and any queued-up (ready to execute) handlers on it have been</span></div>
<div class="line"><a id="l00436" name="l00436"></a><span class="lineno">  436</span><span class="comment">   * `Task_enginer::poll()`ed-through by that time as well.</span></div>
<div class="line"><a id="l00437" name="l00437"></a><span class="lineno">  437</span><span class="comment">   */</span></div>
<div class="line"><a id="l00438" name="l00438"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#ad4689db8dfd0be14695e93d8760b23ed">  438</a></span>  std::optional&lt;<a class="code hl_class" href="classipc_1_1transport_1_1sync__io_1_1Async__adapter__sender.html">sync_io::Async_adapter_sender</a>&lt;<span class="keyword">decltype</span>(<a class="code hl_variable" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a8e3d15efe152af3d5de7bed2a094b885">m_sync_io</a>)&gt;&gt; <a class="code hl_variable" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#ad4689db8dfd0be14695e93d8760b23ed">m_snd_sync_io_adapter</a>;</div>
<div class="line"><a id="l00439" name="l00439"></a><span class="lineno">  439</span> </div>
<div class="line"><a id="l00440" name="l00440"></a><span class="lineno">  440</span>  <span class="comment">// Receive-ops data.</span></div>
<div class="line"><a id="l00441" name="l00441"></a><span class="lineno">  441</span><span class="comment"></span> </div>
<div class="line"><a id="l00442" name="l00442"></a><span class="lineno">  442</span><span class="comment">  /**</span></div>
<div class="line"><a id="l00443" name="l00443"></a><span class="lineno">  443</span><span class="comment">   * Null until PEER state, this handles ~all receive-ops logic in that state.  sync_io::Async_adapter_sender adapts</span></div>
<div class="line"><a id="l00444" name="l00444"></a><span class="lineno">  444</span><span class="comment">   * any sync_io::Native_handle_receiver and makes available ~all necessary async-I/O Native_handle_receiver APIs.</span></div>
<div class="line"><a id="l00445" name="l00445"></a><span class="lineno">  445</span><span class="comment">   * So in PEER state we forward ~everything to this guy.</span></div>
<div class="line"><a id="l00446" name="l00446"></a><span class="lineno">  446</span><span class="comment">   *</span></div>
<div class="line"><a id="l00447" name="l00447"></a><span class="lineno">  447</span><span class="comment">   * ### Creation ###</span></div>
<div class="line"><a id="l00448" name="l00448"></a><span class="lineno">  448</span><span class="comment">   * See #m_snd_sync_io_adapter -- same stuff.</span></div>
<div class="line"><a id="l00449" name="l00449"></a><span class="lineno">  449</span><span class="comment">   *</span></div>
<div class="line"><a id="l00450" name="l00450"></a><span class="lineno">  450</span><span class="comment">   * ### Destruction ###</span></div>
<div class="line"><a id="l00451" name="l00451"></a><span class="lineno">  451</span><span class="comment">   * See #m_snd_sync_io_adapter -- same stuff.</span></div>
<div class="line"><a id="l00452" name="l00452"></a><span class="lineno">  452</span><span class="comment">   */</span></div>
<div class="line"><a id="l00453" name="l00453"></a><span class="lineno"><a class="line" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a9d006ccbd86681405447a5f2033ad2ca">  453</a></span>  std::optional&lt;<a class="code hl_class" href="classipc_1_1transport_1_1sync__io_1_1Async__adapter__receiver.html">sync_io::Async_adapter_receiver</a>&lt;<span class="keyword">decltype</span>(<a class="code hl_variable" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a8e3d15efe152af3d5de7bed2a094b885">m_sync_io</a>)&gt;&gt; <a class="code hl_variable" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a9d006ccbd86681405447a5f2033ad2ca">m_rcv_sync_io_adapter</a>;</div>
<div class="line"><a id="l00454" name="l00454"></a><span class="lineno">  454</span>}; <span class="comment">// class Native_socket_stream::Impl</span></div>
<div class="line"><a id="l00455" name="l00455"></a><span class="lineno">  455</span> </div>
<div class="line"><a id="l00456" name="l00456"></a><span class="lineno">  456</span><span class="comment">// Free functions.</span></div>
<div class="line"><a id="l00457" name="l00457"></a><span class="lineno">  457</span><span class="comment"></span> </div>
<div class="line"><a id="l00458" name="l00458"></a><span class="lineno">  458</span><span class="comment">/**</span></div>
<div class="line"><a id="l00459" name="l00459"></a><span class="lineno">  459</span><span class="comment"> * Prints string representation of the given Native_socket_stream::Impl to the given `ostream`.</span></div>
<div class="line"><a id="l00460" name="l00460"></a><span class="lineno">  460</span><span class="comment"> *</span></div>
<div class="line"><a id="l00461" name="l00461"></a><span class="lineno">  461</span><span class="comment"> * @relatesalso Native_socket_stream::Impl</span></div>
<div class="line"><a id="l00462" name="l00462"></a><span class="lineno">  462</span><span class="comment"> *</span></div>
<div class="line"><a id="l00463" name="l00463"></a><span class="lineno">  463</span><span class="comment"> * @param os</span></div>
<div class="line"><a id="l00464" name="l00464"></a><span class="lineno">  464</span><span class="comment"> *        Stream to which to write.</span></div>
<div class="line"><a id="l00465" name="l00465"></a><span class="lineno">  465</span><span class="comment"> * @param val</span></div>
<div class="line"><a id="l00466" name="l00466"></a><span class="lineno">  466</span><span class="comment"> *        Object to serialize.</span></div>
<div class="line"><a id="l00467" name="l00467"></a><span class="lineno">  467</span><span class="comment"> * @return `os`.</span></div>
<div class="line"><a id="l00468" name="l00468"></a><span class="lineno">  468</span><span class="comment"> */</span></div>
<div class="line"><a id="l00469" name="l00469"></a><span class="lineno">  469</span>std::ostream&amp; <a class="code hl_function" href="namespaceipc_1_1transport.html#a61c80019823537694f925275dccb4f3f">operator&lt;&lt;</a>(std::ostream&amp; os, <span class="keyword">const</span> <a class="code hl_class" href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html">Native_socket_stream::Impl</a>&amp; val);</div>
<div class="line"><a id="l00470" name="l00470"></a><span class="lineno">  470</span> </div>
<div class="line"><a id="l00471" name="l00471"></a><span class="lineno">  471</span>} <span class="comment">// namespace ipc::transport</span></div>
<div class="ttc" id="aasio__local__stream__socket__fwd_8hpp_html"><div class="ttname"><a href="asio__local__stream__socket__fwd_8hpp.html">asio_local_stream_socket_fwd.hpp</a></div></div>
<div class="ttc" id="aasync__adapter__rcv_8hpp_html"><div class="ttname"><a href="async__adapter__rcv_8hpp.html">async_adapter_rcv.hpp</a></div></div>
<div class="ttc" id="aasync__adapter__snd_8hpp_html"><div class="ttname"><a href="async__adapter__snd_8hpp.html">async_adapter_snd.hpp</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1Native__socket__stream_1_1Impl_html"><div class="ttname"><a href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html">ipc::transport::Native_socket_stream::Impl</a></div><div class="ttdoc">Internal, non-movable pImpl implementation of Native_socket_stream class.</div><div class="ttdef"><b>Definition:</b> <a href="detail_2native__socket__stream__impl_8hpp_source.html#l00148">native_socket_stream_impl.hpp:151</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1Native__socket__stream_1_1Impl_html_a056a63cf017ac7a1f41d584b66acbfc7"><div class="ttname"><a href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a056a63cf017ac7a1f41d584b66acbfc7">ipc::transport::Native_socket_stream::Impl::send_blob_max_size</a></div><div class="ttdeci">size_t send_blob_max_size() const</div><div class="ttdoc">See Native_socket_stream counterpart.</div><div class="ttdef"><b>Definition:</b> <a href="detail_2native__socket__stream__impl_8cpp_source.html#l00267">native_socket_stream_impl.cpp:267</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1Native__socket__stream_1_1Impl_html_a0bc4f6f4dfa20d1c1902f1da85f637b3"><div class="ttname"><a href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a0bc4f6f4dfa20d1c1902f1da85f637b3">ipc::transport::Native_socket_stream::Impl::~Impl</a></div><div class="ttdeci">~Impl()</div><div class="ttdoc">See Native_socket_stream counterpart.</div><div class="ttdef"><b>Definition:</b> <a href="detail_2native__socket__stream__impl_8cpp_source.html#l00100">native_socket_stream_impl.cpp:100</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1Native__socket__stream_1_1Impl_html_a15b8a1c70ca6bec7fc7dad87adf7f348"><div class="ttname"><a href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a15b8a1c70ca6bec7fc7dad87adf7f348">ipc::transport::Native_socket_stream::Impl::send_blob</a></div><div class="ttdeci">bool send_blob(const util::Blob_const &amp;blob, Error_code *err_code)</div><div class="ttdoc">See Native_socket_stream counterpart.</div><div class="ttdef"><b>Definition:</b> <a href="detail_2native__socket__stream__impl_8cpp_source.html#l00226">native_socket_stream_impl.cpp:226</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1Native__socket__stream_1_1Impl_html_a3103ec6899bfb6f945d970d8c4114338"><div class="ttname"><a href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a3103ec6899bfb6f945d970d8c4114338">ipc::transport::Native_socket_stream::Impl::idle_timer_run</a></div><div class="ttdeci">bool idle_timer_run(util::Fine_duration timeout)</div><div class="ttdoc">See Native_socket_stream counterpart.</div><div class="ttdef"><b>Definition:</b> <a href="detail_2native__socket__stream__impl_8cpp_source.html#l00293">native_socket_stream_impl.cpp:293</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1Native__socket__stream_1_1Impl_html_a356082fb50487830a83301cf12836ede"><div class="ttname"><a href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a356082fb50487830a83301cf12836ede">ipc::transport::Native_socket_stream::Impl::send_meta_blob_max_size</a></div><div class="ttdeci">size_t send_meta_blob_max_size() const</div><div class="ttdoc">See Native_socket_stream counterpart.</div><div class="ttdef"><b>Definition:</b> <a href="detail_2native__socket__stream__impl_8cpp_source.html#l00262">native_socket_stream_impl.cpp:262</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1Native__socket__stream_1_1Impl_html_a39c3a466e4f61e20dfaa8d9b66266f61"><div class="ttname"><a href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a39c3a466e4f61e20dfaa8d9b66266f61">ipc::transport::Native_socket_stream::Impl::end_sending</a></div><div class="ttdeci">bool end_sending()</div><div class="ttdoc">See Native_socket_stream counterpart.</div><div class="ttdef"><b>Definition:</b> <a href="detail_2native__socket__stream__impl_8cpp_source.html#l00241">native_socket_stream_impl.cpp:241</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1Native__socket__stream_1_1Impl_html_a4706d150ea840300dd23edbf71ed64b4"><div class="ttname"><a href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a4706d150ea840300dd23edbf71ed64b4">ipc::transport::Native_socket_stream::Impl::sync_connect</a></div><div class="ttdeci">bool sync_connect(const Shared_name &amp;absolute_name, Error_code *err_code)</div><div class="ttdoc">See Native_socket_stream counterpart.</div><div class="ttdef"><b>Definition:</b> <a href="detail_2native__socket__stream__impl_8cpp_source.html#l00182">native_socket_stream_impl.cpp:182</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1Native__socket__stream_1_1Impl_html_a472560960a22993f75c87bea962104bc"><div class="ttname"><a href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a472560960a22993f75c87bea962104bc">ipc::transport::Native_socket_stream::Impl::async_receive_native_handle</a></div><div class="ttdeci">bool async_receive_native_handle(Native_handle *target_hndl, const util::Blob_mutable &amp;target_meta_blob, flow::async::Task_asio_err_sz &amp;&amp;on_done_func)</div><div class="ttdoc">See Native_socket_stream counterpart.</div><div class="ttdef"><b>Definition:</b> <a href="detail_2native__socket__stream__impl_8cpp_source.html#l00274">native_socket_stream_impl.cpp:274</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1Native__socket__stream_1_1Impl_html_a49473cdfdb7b33d42c53d8b029692a58"><div class="ttname"><a href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a49473cdfdb7b33d42c53d8b029692a58">ipc::transport::Native_socket_stream::Impl::remote_peer_process_credentials</a></div><div class="ttdeci">util::Process_credentials remote_peer_process_credentials(Error_code *err_code) const</div><div class="ttdoc">See Native_socket_stream counterpart.</div><div class="ttdef"><b>Definition:</b> <a href="detail_2native__socket__stream__impl_8cpp_source.html#l00209">native_socket_stream_impl.cpp:209</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1Native__socket__stream_1_1Impl_html_a4a7ab0a981614724b559b38634634d8a"><div class="ttname"><a href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a4a7ab0a981614724b559b38634634d8a">ipc::transport::Native_socket_stream::Impl::m_worker</a></div><div class="ttdeci">boost::movelib::unique_ptr&lt; flow::async::Single_thread_task_loop &gt; m_worker</div><div class="ttdoc">Single-thread worker pool for all internal async work in both directions.</div><div class="ttdef"><b>Definition:</b> <a href="detail_2native__socket__stream__impl_8hpp_source.html#l00401">native_socket_stream_impl.hpp:401</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1Native__socket__stream_1_1Impl_html_a7ca2349b422211f699c71b3e15dcbf31"><div class="ttname"><a href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a7ca2349b422211f699c71b3e15dcbf31">ipc::transport::Native_socket_stream::Impl::receive_blob_max_size</a></div><div class="ttdeci">size_t receive_blob_max_size() const</div><div class="ttdoc">See Native_socket_stream counterpart.</div><div class="ttdef"><b>Definition:</b> <a href="detail_2native__socket__stream__impl_8cpp_source.html#l00305">native_socket_stream_impl.cpp:305</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1Native__socket__stream_1_1Impl_html_a89edcfd79bbd088c6900fcfa026f07bf"><div class="ttname"><a href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a89edcfd79bbd088c6900fcfa026f07bf">ipc::transport::Native_socket_stream::Impl::async_receive_blob</a></div><div class="ttdeci">bool async_receive_blob(const util::Blob_mutable &amp;target_blob, flow::async::Task_asio_err_sz &amp;&amp;on_done_func)</div><div class="ttdoc">See Native_socket_stream counterpart.</div><div class="ttdef"><b>Definition:</b> <a href="detail_2native__socket__stream__impl_8cpp_source.html#l00285">native_socket_stream_impl.cpp:285</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1Native__socket__stream_1_1Impl_html_a8e3d15efe152af3d5de7bed2a094b885"><div class="ttname"><a href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a8e3d15efe152af3d5de7bed2a094b885">ipc::transport::Native_socket_stream::Impl::m_sync_io</a></div><div class="ttdeci">sync_io::Native_socket_stream m_sync_io</div><div class="ttdoc">The core Native_socket_stream engine, implementing the sync_io pattern (see util::sync_io doc header)...</div><div class="ttdef"><b>Definition:</b> <a href="detail_2native__socket__stream__impl_8hpp_source.html#l00419">native_socket_stream_impl.hpp:419</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1Native__socket__stream_1_1Impl_html_a9b6672d56734dd78fe2c4ab5c6472b18"><div class="ttname"><a href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a9b6672d56734dd78fe2c4ab5c6472b18">ipc::transport::Native_socket_stream::Impl::send_native_handle</a></div><div class="ttdeci">bool send_native_handle(Native_handle hndl_or_null, const util::Blob_const &amp;meta_blob, Error_code *err_code)</div><div class="ttdoc">See Native_socket_stream counterpart.</div><div class="ttdef"><b>Definition:</b> <a href="detail_2native__socket__stream__impl_8cpp_source.html#l00233">native_socket_stream_impl.cpp:233</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1Native__socket__stream_1_1Impl_html_a9d006ccbd86681405447a5f2033ad2ca"><div class="ttname"><a href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#a9d006ccbd86681405447a5f2033ad2ca">ipc::transport::Native_socket_stream::Impl::m_rcv_sync_io_adapter</a></div><div class="ttdeci">std::optional&lt; sync_io::Async_adapter_receiver&lt; decltype(m_sync_io)&gt; &gt; m_rcv_sync_io_adapter</div><div class="ttdoc">Null until PEER state, this handles ~all receive-ops logic in that state.</div><div class="ttdef"><b>Definition:</b> <a href="detail_2native__socket__stream__impl_8hpp_source.html#l00453">native_socket_stream_impl.hpp:453</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1Native__socket__stream_1_1Impl_html_ab1d81ebbd3fe32d20007c408c2693c93"><div class="ttname"><a href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#ab1d81ebbd3fe32d20007c408c2693c93">ipc::transport::Native_socket_stream::Impl::nickname</a></div><div class="ttdeci">const std::string &amp; nickname() const</div><div class="ttdoc">See Native_socket_stream counterpart.</div><div class="ttdef"><b>Definition:</b> <a href="detail_2native__socket__stream__impl_8cpp_source.html#l00214">native_socket_stream_impl.cpp:214</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1Native__socket__stream_1_1Impl_html_aba41a8c94c5bc335494cd7bb534f1c11"><div class="ttname"><a href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#aba41a8c94c5bc335494cd7bb534f1c11">ipc::transport::Native_socket_stream::Impl::async_end_sending</a></div><div class="ttdeci">bool async_end_sending(flow::async::Task_asio_err &amp;&amp;on_done_func)</div><div class="ttdoc">See Native_socket_stream counterpart.</div><div class="ttdef"><b>Definition:</b> <a href="detail_2native__socket__stream__impl_8cpp_source.html#l00248">native_socket_stream_impl.cpp:248</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1Native__socket__stream_1_1Impl_html_ad4689db8dfd0be14695e93d8760b23ed"><div class="ttname"><a href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#ad4689db8dfd0be14695e93d8760b23ed">ipc::transport::Native_socket_stream::Impl::m_snd_sync_io_adapter</a></div><div class="ttdeci">std::optional&lt; sync_io::Async_adapter_sender&lt; decltype(m_sync_io)&gt; &gt; m_snd_sync_io_adapter</div><div class="ttdoc">Null until PEER state, this handles ~all send-ops logic in that state.</div><div class="ttdef"><b>Definition:</b> <a href="detail_2native__socket__stream__impl_8hpp_source.html#l00438">native_socket_stream_impl.hpp:438</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1Native__socket__stream_1_1Impl_html_ad7c2d6c843935c5413d3dd8fbc39d272"><div class="ttname"><a href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#ad7c2d6c843935c5413d3dd8fbc39d272">ipc::transport::Native_socket_stream::Impl::Impl</a></div><div class="ttdeci">Impl(flow::log::Logger *logger_ptr, util::String_view nickname_str)</div><div class="ttdoc">See Native_socket_stream counterpart.</div><div class="ttdef"><b>Definition:</b> <a href="detail_2native__socket__stream__impl_8cpp_source.html#l00061">native_socket_stream_impl.cpp:61</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1Native__socket__stream_1_1Impl_html_ae5759a20fc2b1e92c2c23a5af7a5efc1"><div class="ttname"><a href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#ae5759a20fc2b1e92c2c23a5af7a5efc1">ipc::transport::Native_socket_stream::Impl::auto_ping</a></div><div class="ttdeci">bool auto_ping(util::Fine_duration period)</div><div class="ttdoc">See Native_socket_stream counterpart.</div><div class="ttdef"><b>Definition:</b> <a href="detail_2native__socket__stream__impl_8cpp_source.html#l00255">native_socket_stream_impl.cpp:255</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1Native__socket__stream_1_1Impl_html_ae599fae31c48348f10341c6c70e343e7"><div class="ttname"><a href="classipc_1_1transport_1_1Native__socket__stream_1_1Impl.html#ae599fae31c48348f10341c6c70e343e7">ipc::transport::Native_socket_stream::Impl::receive_meta_blob_max_size</a></div><div class="ttdeci">size_t receive_meta_blob_max_size() const</div><div class="ttdoc">See Native_socket_stream counterpart.</div><div class="ttdef"><b>Definition:</b> <a href="detail_2native__socket__stream__impl_8cpp_source.html#l00300">native_socket_stream_impl.cpp:300</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1sync__io_1_1Async__adapter__receiver_html"><div class="ttname"><a href="classipc_1_1transport_1_1sync__io_1_1Async__adapter__receiver.html">ipc::transport::sync_io::Async_adapter_receiver</a></div><div class="ttdoc">Internal-use type that adapts a given PEER-state sync_io::Native_handle_receiver or sync_io::Blob_rec...</div><div class="ttdef"><b>Definition:</b> <a href="async__adapter__rcv_8hpp_source.html#l00084">async_adapter_rcv.hpp:87</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1sync__io_1_1Async__adapter__sender_html"><div class="ttname"><a href="classipc_1_1transport_1_1sync__io_1_1Async__adapter__sender.html">ipc::transport::sync_io::Async_adapter_sender</a></div><div class="ttdoc">Internal-use type that adapts a given PEER-state sync_io::Native_handle_sender or sync_io::Blob_sende...</div><div class="ttdef"><b>Definition:</b> <a href="async__adapter__snd_8hpp_source.html#l00073">async_adapter_snd.hpp:76</a></div></div>
<div class="ttc" id="aclassipc_1_1transport_1_1sync__io_1_1Native__socket__stream_html"><div class="ttname"><a href="classipc_1_1transport_1_1sync__io_1_1Native__socket__stream.html">ipc::transport::sync_io::Native_socket_stream</a></div><div class="ttdoc">Implements both sync_io::Native_handle_sender and sync_io::Native_handle_receiver concepts by using a...</div><div class="ttdef"><b>Definition:</b> <a href="sync__io_2native__socket__stream_8hpp_source.html#l00150">native_socket_stream.hpp:151</a></div></div>
<div class="ttc" id="aclassipc_1_1util_1_1Process__credentials_html"><div class="ttname"><a href="classipc_1_1util_1_1Process__credentials.html">ipc::util::Process_credentials</a></div><div class="ttdoc">A process's credentials (PID, UID, GID as of this writing).</div><div class="ttdef"><b>Definition:</b> <a href="process__credentials_8hpp_source.html#l00038">process_credentials.hpp:39</a></div></div>
<div class="ttc" id="aclassipc_1_1util_1_1Shared__name_html"><div class="ttname"><a href="classipc_1_1util_1_1Shared__name.html">ipc::util::Shared_name</a></div><div class="ttdoc">String-wrapping abstraction representing a name uniquely distinguishing a kernel-persistent entity fr...</div><div class="ttdef"><b>Definition:</b> <a href="shared__name_8hpp_source.html#l00241">shared_name.hpp:242</a></div></div>
<div class="ttc" id="anamespaceipc_1_1transport_html"><div class="ttname"><a href="namespaceipc_1_1transport.html">ipc::transport</a></div><div class="ttdoc">Flow-IPC module providing transmission of structured messages and/or low-level blobs (and more) betwe...</div><div class="ttdef"><b>Definition:</b> <a href="asio__local__stream__socket_8cpp_source.html#l00031">asio_local_stream_socket.cpp:32</a></div></div>
<div class="ttc" id="anamespaceipc_1_1transport_html_a61c80019823537694f925275dccb4f3f"><div class="ttname"><a href="namespaceipc_1_1transport.html#a61c80019823537694f925275dccb4f3f">ipc::transport::operator&lt;&lt;</a></div><div class="ttdeci">std::ostream &amp; operator&lt;&lt;(std::ostream &amp;os, const Bipc_mq_handle &amp;val)</div><div class="ttdoc">Prints string representation of the given Bipc_mq_handle to the given ostream.</div><div class="ttdef"><b>Definition:</b> <a href="bipc__mq__handle_8cpp_source.html#l01029">bipc_mq_handle.cpp:1029</a></div></div>
<div class="ttc" id="anamespaceipc_1_1util_html_a6cb62ae434900f3a8915b33ec5d61a96"><div class="ttname"><a href="namespaceipc_1_1util.html#a6cb62ae434900f3a8915b33ec5d61a96">ipc::util::Blob_mutable</a></div><div class="ttdeci">boost::asio::mutable_buffer Blob_mutable</div><div class="ttdoc">Short-hand for an mutable blob somewhere in memory, stored as exactly a void* and a size_t.</div><div class="ttdef"><b>Definition:</b> <a href="util__fwd_8hpp_source.html#l00140">util_fwd.hpp:140</a></div></div>
<div class="ttc" id="anamespaceipc_1_1util_html_ac66141280c3b7295a86b65209f31cc58"><div class="ttname"><a href="namespaceipc_1_1util.html#ac66141280c3b7295a86b65209f31cc58">ipc::util::Fine_duration</a></div><div class="ttdeci">flow::Fine_duration Fine_duration</div><div class="ttdoc">Short-hand for Flow's Fine_duration.</div><div class="ttdef"><b>Definition:</b> <a href="util__fwd_8hpp_source.html#l00117">util_fwd.hpp:117</a></div></div>
<div class="ttc" id="anamespaceipc_1_1util_html_ae0be7edba7e30ffa3f8b742af621f2ab"><div class="ttname"><a href="namespaceipc_1_1util.html#ae0be7edba7e30ffa3f8b742af621f2ab">ipc::util::Blob_const</a></div><div class="ttdeci">boost::asio::const_buffer Blob_const</div><div class="ttdoc">Short-hand for an immutable blob somewhere in memory, stored as exactly a void const * and a size_t.</div><div class="ttdef"><b>Definition:</b> <a href="util__fwd_8hpp_source.html#l00134">util_fwd.hpp:134</a></div></div>
<div class="ttc" id="anamespaceipc_1_1util_html_ae6ac47812a90d1287c61e0b7de7bc4f5"><div class="ttname"><a href="namespaceipc_1_1util.html#ae6ac47812a90d1287c61e0b7de7bc4f5">ipc::util::String_view</a></div><div class="ttdeci">flow::util::String_view String_view</div><div class="ttdoc">Short-hand for Flow's String_view.</div><div class="ttdef"><b>Definition:</b> <a href="util__fwd_8hpp_source.html#l00115">util_fwd.hpp:115</a></div></div>
<div class="ttc" id="anamespaceipc_html_aa3192e586cc45d3e7c22463bf2760f89"><div class="ttname"><a href="namespaceipc.html#aa3192e586cc45d3e7c22463bf2760f89">ipc::Error_code</a></div><div class="ttdeci">flow::Error_code Error_code</div><div class="ttdoc">Short-hand for flow::Error_code which is very common.</div><div class="ttdef"><b>Definition:</b> <a href="common_8hpp_source.html#l00298">common.hpp:298</a></div></div>
<div class="ttc" id="anative__socket__stream_8hpp_html"><div class="ttname"><a href="native__socket__stream_8hpp.html">native_socket_stream.hpp</a></div></div>
<div class="ttc" id="astructipc_1_1util_1_1Native__handle_html"><div class="ttname"><a href="structipc_1_1util_1_1Native__handle.html">ipc::util::Native_handle</a></div><div class="ttdoc">A monolayer-thin wrapper around a native handle, a/k/a descriptor a/k/a FD.</div><div class="ttdef"><b>Definition:</b> <a href="native__handle_8hpp_source.html#l00062">native_handle.hpp:63</a></div></div>
<div class="ttc" id="async__io_2native__socket__stream_8hpp_html"><div class="ttname"><a href="sync__io_2native__socket__stream_8hpp.html">native_socket_stream.hpp</a></div></div>
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